diff --git a/ALD-PA/requirements.txt b/ALD-PA/requirements.txt
index 5598810..1d4208c 100644
--- a/ALD-PA/requirements.txt
+++ b/ALD-PA/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.16.4
+numpy==1.22.0
 scipy==1.2.1
 statsmodels==0.10.0
 matplotlib==3.1.0